n. 地面,土地;基础;范围;阵地,战场;
vi. 搁浅,停飞;着陆;
vt. 把…放在地上;在…的基础树立上;交给…基本知识;使…受初步训练;
v. grind的过去式和过去分词;
🗣️ 情景例句
Yes.
是的。
We must have your LC at least one month before the time of shipment.
我们必须在船运前一个月收到你们的信用证。
In their efforts to persuade us to buy this or that product, advertisers have made a close study of human nature and have classified all our little weaknesses.